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文章基本信息

  • 标题:Inherent difficulties in nonparametric estimation of the cumulative distribution function using observations measured with error: Application to high-dimensional microarray data
  • 作者:George W. Wright ; Lori E. Dodd ; Edward L. Korn
  • 期刊名称:Statistics and Its Interface
  • 印刷版ISSN:1938-7989
  • 电子版ISSN:1938-7997
  • 出版年度:2014
  • 卷号:7
  • 期号:1
  • 页码:69-73
  • DOI:10.4310/SII.2014.v7.n1.a8
  • 出版社:International Press
  • 摘要:Distribution function estimation is important in many biological applications. A very simple example is given to show that with the addition of normal errors, data from very different underlying distributions can generate nearly identical distributions of observations. Therefore, in some situations it can be essentially impossible to accurately estimate an underlying cumulative distribution function from a reasonable number of observations measured with error. An application is given involving estimating the distribution function of differential gene expression based on more than fifty thousand genes.
  • 关键词:empirical Bayes; stability; microarray data; mixture models; measurement error; shrinkage
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